The opinion of the Court was drawn up by
Siiepley J.—The demandants have commenced this action in right of the wife to recover one undivided seventh part of the Gardiner neck farm in the town of Woolwich, owned by the late Peleg Tallman at the time of his decease. The wife of the demandant, being a daughter of the deceased, claims title as one of his heirs at law. The tenant presents a title by devise, made in the last will of his deceased father, to a trustee, for his benefit during his natural life. To prove such title he offered that will, as duly proved and allowed in the probate court for the county of Lincoln. Its admission as evidence was objected to on the ground, that it had not been legally executed, or legally proved and allowed. The facts, upon which these objections rest, were admitted, to wit, that Nathaniel Groton, one of the three attesting witnesses to the will, was at the time of its attestation, and at the time of its approval and allowance, judge of probate for that county.
The question thus presented is not a new one. It has been twice decided in the State of Connecticut, in the cases of McLean et ux. v. Barnard, 1 Root, 462, and Ford’s case, *252 Root, 232. Those cases were presented on appeals from the probate court, and the wills were approved, but the reasons were not stated.
The question is differently presented here in an action at law, in which it is contended, that the will is wholly inoperative. It may be so treated, if the judge of probate, who approved and allowed it, had not jurisdiction of it.
By the statutes in force at the time, the judges of probate in their respective counties were authorized to take the probate of wills of persons deceased, who were resident in the same county with the judge, at the time of their decease, unless he was interested as heir, legatee, creditor, or debtor, to an amount exceeding one hundred dollars, or within the degree of kindred, by which he might possibly be an heir to the estate of the deceased person. Stat. 1821, c. 51, § 1, 2; Stat. 1822, c. 198. The residence of the testator at the time of his decease was in the county of Lincoln, in which Nathaniel Groton was the judge of probate. There is no proof, that the judge was in any manner interested, or that he could possibly be an heir to the estate. It was clearly a matter within his jurisdiction to decide upon the probate of the will, unless the mere fact, that he had attested it, as one of the subscribing witnesses, deprived him of that jurisdiction. The executors and de-visees, as well as the heirs at law, were entitled to have the effect of such an attestation determined by some competent tribunal. In no other county could the probate court entertain jurisdiction, for the deceased had no residence or domicile in any other county; and the judge of probate in the county of his domicile was not so situated as to give any other judge of probate jurisdiction. This court has only an appellate jurisdiction in such cases. Admitting the entire incompatibility of his position to testify as a witness and to receive and act upon that testimony as a judge, that would not deprive him of the jurisdiction, which the law imposed, and which his office required him to exercise. It would only require him to decide, whether he could legally testify, and whether the will could be proved, either with or without his testimony; in other words, *26to decide upon the effect of his own act in attesting the will, while he held that office. It is undesirable, that a judge should be so situated as to be required to decide upon the legal effect •of his former acts; but judges are not very unfrequently, in .the discharge of their official duties, compelled to do so. A person may become an attesting witness to a will and afterward be appointed judge of probate in the county, where that •testator resided at the time of his death, and thus it may be•come his duty to decide, whether the will can be proved by the testimony of the other two witnesses, and what shall be the effect of his former act of attestation. The jurisdiction in such case could not be doubted. This case differs from the one •supposed, in the fact, that the attesting witness held the office ■of judge at the time of such attestation, and it therefore raises a question of more delicacy and difficulty; but the jurisdiction, •or the obligation to decide it, cannot be affected by its greater .difficulty or more important influence. Any error, which might be supposed to arise out of the former act and the bias occasioned by it, could be corrected by an appeal to the supreme court of probate. A case might be presented in a court ■of common law involving a similar embarrassment. A deed, bond, or other instrument may have been attested solely by the judge presiding at the trial of a cause, in which it becomes material to prove its execution. No one would conclude, that he had not jurisdiction of the cause, merely because he could not try it, and also testify as a witness in it. The conclusion is •unavoidable, that the mere fact, that a judge cannot testify in a •cause, in which his testimony may be essential to enable a party to prevail, cannot deprive him of its jurisdiction. Admitting then that judge Groton could not testify as a witness, when the will was presented before him for probate; and assuming for the present, that he was not a competent witness to the will, -he would not thereby be deprived of his jurisdiction of the case. Nor could he be excused from taking cognizance of it. Coming to such conclusions, he must have decided, that the will was not duly executed. But however he might have decid*27ed the questions presented, the rights of all parties could have been preserved and secured by an appeal.
If judge Groton had jurisdiction of the probate of this will, the question next arises respecting the effect of its exercise. The original jurisdiction for the probate of wills is by statute vested exclusively in the courts of probate. The courts of common law have no jurisdiction, or right to determine, whether a will has been legally executed or not. If a will be presented to them as a muniment of title, which has not been proved and allowed by a probate court, it cannot be received and proved, nor its validity be admitted. If it has been approved and allowed by a probate court, having jurisdiction, its validity cannot be called in question by the court of common law. The adjudication of the court of probate, not vacated by an appeal, is final and conclusive upon all persons. Whether the court of probate decided any questions necessarily arising and involved in its adjudication correctly or incorrectly, can never be made a matter of inquiry and decision in a common law court, to affect that adjudication. Such have been the settled doctrines for a long time in this and in several of the other United States. Dublin v. Chadbourne, 16 Mass. R. 433; Laughton v. Atkins, 1 Pick. 535. The court of probate must necessarily have decided in this case upon the competency of the witnesses to the will; and that decision must be conclusive, as decided in the case of Dublin v. Chadbourne.
This case might therefore be decided without the expression of any opinion, whether Nathaniel Groton was a competent witness to the will. As the question may, perhaps, be presented in another form, and as the parties may be better satisfied, and are very desirous that the question should be finally determined, it has been thought best to express an opinion upon it.
The objection made to his competency is, that he could not be a witness to prove the will, and at the same time a judge to decide upon its legal execution. The competency of an attesting witness is not to be determined upon the state of facts existing at the time, when the will is presented for probate, but upon those existing at the time of the attestation. The inca*28pacity of the witness to testify, when the will is presented for probate, is no certain or satisfactory proof of his incompetency at the time of attestation. At the time of the attestation it was a matter of contingency and of uncertainty whether Mr. Groton would be incapable of testifying before the competent tribunal, when the will was presented for probate. The term of office, for which he was appointed, might have terminated before the decease of the testator. The domicile of the testator at the time of his decease might have been in another county or state. So if the testator had survived Mr. Groton, the present objection could not have been made. The incapacity of the witness to testify was not, at the time of attestation, a general incapacity existing in all places and before all tribunals alike. He might have testified in any other county or state, and before this court as the appellate tribunal, in relation to the execution of the will. His incapacity to testify was limited to the single contingency, that he should continue to be the judge of probate in the county in which the testator should have been domiciled at the time of his death. That which renders a person incompetent as a witness to testify in a particular- case, is something, with which he is connected, or to which he is attached, rendering him at the same time alike incompetent under all circumstances not removing it, and before all tribunals administering the same law. There was an incapacity to testify, when the will was presented before the witness to be acted upon by him as judge ; and so there would have been, if it had been attested by him before he was appointed to that office. There was nothing, so far as this objection extends, essentially and necessarily illegal or defective in the attestation and execution of the will at the time, for it might, under different circumstances, and before different tribunals, have been established by the testimony of all the attesting witnesses. When it was presented for probate, if the judge had decided, that he was an incompetent witness, merely because he could not testify in his own court, and that the will was not duly executed; and the same question had been presented to the supreme court of probate by an appeal, the objection, that one *29of the witnesses could not testify on account of bis official position, could not have been made. Nor could it have been, if presented on an appeal from a decision of the judge of probate, that the will might be legally proved by the two other attesting witnesses, as in cases, where one of the witnesses has since the attestation become incompetent or insane. The objection does not reach beyond the incapacity of the witness to testify, when the will was presented for probate before himself; and if the heirs at law had opposed its probate in that court, and it had been presented for probate, in the appellate court, by an appeal from a decision, either favorable or unfavorable to them, Mr. Groton must have been regarded as a competent witness, and the will must have been approved and allowed. If Mr. Groton, as the record exhibited, shows, presented his own testimony in his own court and decided upon it, instead of concluding, that he could not legally testify there, and that the will might therefore be proved by the testimony of the two other witnesses, should their testimony prove the necessary facts, it is not perceived, that the heirs at law have been injured by their neglect to contest the probate of the will at the proper time and place. The rule of law, which requires, that the testimony of the three subscribing witnesses to a will should be introduced to prove it, has its exceptions. If it be impossible upon legal principles to present the testimony of one of them, the will may be proved without it. Chase v. Lincoln, 3 Mass. R. 236. Sears v. Dillingham, 12 Mass. R. 358. Brown v. Wood, 17 Mass. R. 68.
If the will must be considered as legally proved and operative, the demandants claim to recover by virtue of its provisions, on the ground that the tenant and Henry Tallman have forfeited all title derived from it, by having violated the provisions contained in the twentieth clause. It is in these words. “ The bequests, devises and gifts, I have made to my two sons James and Henry, are made to them on condition and expressly, that they nor either of them, at any time become bondsmen or sureties for any person or persons whatever after my decease ; and in case they, or either of them, should do so, *30they shall in such case forfeit all bequests, legacies, and devises given them in this my will.” The demandants offered to introduce testimony to prove the alleged violation, but it was not received.
The premises demanded were, by the seventh clause of the original will, devised to the tenant during his natural life. The remainder was devised to others. The devise to the tenant was revoked by the second clause of the codicil, and the premises were thereby devised to Henry Tallman in trust for the tenant during his life. The legal estate became thus vested in Henry Tallman, without his having any beneficial interest in it. What would be the effect upon that life estate of a violation by Henry Tallman only of the provisions of the twentieth clause in the will ? Could it have been the intention of the testator that the rights of the cestui que trust, supposing him to be blameless, should be destroyed by any prohibited act of the trustee ? If so, he must have intended to punish the obedient for the transgressions of the disobedient. The clause admits of a reasonable and fair construction without coming to such a conclusion. By all bequests, legacies and devises given to them, the testator, doubtless, intended all such, as were given for their own benefit, and not such as were entrusted to them for the benefit of others.
Any other construction would be at variance with the general rule of law, that the power of the trustee over the legal estate exists only for the benefit of the cestui que trust, and no act of the trustee can prejudice or narrow his title. Cruise’s Dig. tit. 12, c. 4, § 6 and 8. Philips v. Brydges, 3 Ves. 127. Selby v. Alston, idem, 341. To this general rule there are certain exceptions not affecting this case, and not necessaiy to be considered here. 2 Fonb. Eq. c. 7, <§> 1, note (a). 1 Mad. Ch. Pr. 363. The legal estate for life, which became vested in the trustee, will remain therefore unaffected by any act of forfeiture, which may have been committed by him.
What can be the effect of any prohibited act, which might cause a forfeiture of his rights, committed by the tenant and cestui que trust, upon the legal title vested in another ? Sure*31ly not to destroy the legal title, over which it was the design of the testator to deprive him of all power by devising it to another.
A forfeiture by the tenant of his rights under the will might affect his right to occupy the premises, or to receive the income or profits ; but such rights are not in controversy in this action.
It is the legal title only, which is here litigated; and the demandants, to recover that, must rest upon the strength of their own title, and not upon the weakness of the legal right of the tenant, to the occupation of the premises. Upon the facts reported in this case, they can establish no title to them, cither upon the ground, that they were the undevised estate of the testator, or upon the ground, that although devised, the title of the devisee had been forfeited.
If a forfeiture could have been established, there would have been other difficulties, not necessary to be considered, which might have prevented a recovery by the wife, claiming as an heir at law.
Nonsuit confirmed.